Condition Based Maintenance Strategy technically is of great challenge in modern age. Even if the state of some types of equipment can easily be observed by measuring simple values as vibration, temperature or pressure, it is not an easy task to turn this measured data into actionable knowledge about health of the equipment.
Although many failure modes are not age-related, most of them give some sort of indication or warning that they are in the process of occurring or are about to occur. If evidence can be found that something is in the final stage of failure, it may be possible to take action to prevent it from failing completely and/or to
avoid the consequences of failure.The modern condition monitoring tools are capable to determine the time when Potential Failure starts in a component and if not corrected in time and allowed to be deteriorated up to the point of Functional Failure, then it becomes expensive break down Maintenance. Therefore
Condition based maintenance entails monitoring for potential failures, so that actions can be taken to prevent the functional failure or to avoid the consequences of the functional failure.This is called Proactive Approach of Good Maintenance System.
The P-F (Potential Failure-Functional Failure) interval is the interval between occurrence of a potential failure and its deterioration into a functional failure. It is also known as the warning period, the lead time to failure (LTF) or the failure development period. If we want to detect the potential failure before it becomes a
functional failure.The time interval between monitoring checks must be less than the P-F interval. For different failure modes, it could vary from fractions of a second to several years. So there could be different frequency of CM schedule for same type of equipment depending upon failure modes and damage mechanism in the system.
Although many failure modes are not age-related, most of them give some sort of indication or warning that they are in the process of occurring or are about to occur. If evidence can be found that something is in the final stage of failure, it may be possible to take action to prevent it from failing completely and/or to
avoid the consequences of failure.The modern condition monitoring tools are capable to determine the time when Potential Failure starts in a component and if not corrected in time and allowed to be deteriorated up to the point of Functional Failure, then it becomes expensive break down Maintenance. Therefore
Condition based maintenance entails monitoring for potential failures, so that actions can be taken to prevent the functional failure or to avoid the consequences of the functional failure.This is called Proactive Approach of Good Maintenance System.
The P-F (Potential Failure-Functional Failure) interval is the interval between occurrence of a potential failure and its deterioration into a functional failure. It is also known as the warning period, the lead time to failure (LTF) or the failure development period. If we want to detect the potential failure before it becomes a
functional failure.The time interval between monitoring checks must be less than the P-F interval. For different failure modes, it could vary from fractions of a second to several years. So there could be different frequency of CM schedule for same type of equipment depending upon failure modes and damage mechanism in the system.
